miR-1226 detection in GCF as potential biomarker of chronic periodontitis: A pilot study

The study and identification of new biomarkers for periodontal disease, such as microRNAs (miRNAs), may give us more information about the location and severity of the disease and will serve as a basis for treatment planning and disease-monitoring. miRNAs are a group of small RNAs which are involved...

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Bibliographic Details
Published in:Medicina oral, patología oral y cirugía bucal patología oral y cirugía bucal, 2018-05, Vol.23 (3), p.e308-e314
Main Authors: Micó-Martínez, P, García-Giménez, J-L, Seco-Cervera, M, López-Roldán, A, Almiñana-Pastor, P-J, Alpiste-Illueca, F, Pallardó, F-V
Format: Article
Language:English
Subjects:
Adult
Biomarkers - analysis
Chronic Periodontitis - diagnosis
Dentistry
Female
Gingival Crevicular Fluid - chemistry
Humans
Male
MicroRNAs - analysis
Middle Aged
Pilot Projects
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Summary:The study and identification of new biomarkers for periodontal disease, such as microRNAs (miRNAs), may give us more information about the location and severity of the disease and will serve as a basis for treatment planning and disease-monitoring. miRNAs are a group of small RNAs which are involved in gene regulation by binding to their messenger RNA target (mRNA). In this pilot study, the procedure for purifying miRNAs from gingival crevicular fluid (GCF) was, for the first time, described. In addition, the concentration of miRNAs in GCF was analyzed and compared between patients with moderate or severe chronic periodontitis (CP) and healthy controls. GCF samples were collected from single-rooted teeth of patients with moderate or severe CP (n=9) and of healthy individuals (n=9). miRNAs were isolated from GCF using miRNeasy Serum/Plasma kit (Qiagen, CA. USA). Reverse transcription polymerase chain reaction (qRT-PCR) was used to determine the expression of a series of miRNAs candidates that are related to bone metabolism. The significance of differences in miRNA levels between both groups was determined using Mann-Whitney U test. The results from this pilot study indicate that miRNAs can be isolated from GCF. Six different miRNAs were analyzed (miR-671, miR-122, miR-1306, miR-27a, miR-223, miR-1226), but only miR-1226 showed statically significant differences between the CP group and healthy controls (p
ISSN:1698-6946
1698-4447
1698-6946
DOI:10.4317/medoral.22329